Movement of glucose through the membranes of the small intestine is primarily by:
a. osmosis
b. bulk flow
c. active transport proteins
d. diffusion through the lipid bilayer
e. glucose is not absorbed in the small intestine
c
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Why are neocallimastigomycetes being studied for biofuel production?
A. They can ferment glucose into alcohol. B. They can release fermentable sugars from structural polysaccharides. C. They can generate methane. D. They provide energy to power fermentation. E. They can extract pollutants from biofuel starting materials.
All chemoautotrophs and photoheterotrophs are ____
a. archaea only b. bacteria only c. eukaryotes only d. prokaryotes and eukaryotes e. prokaryotes
Which neurotransmitter is involved in both Parkinson's disease and ADD?
A) acetylcholine B) dopamine C) serotonin D) GABA
What are likely outcomes for a female who is not choosy enough and has too broad of an acceptance of reproductive signals? (Check all that apply.)A) Her sons may have low success attracting mates.B) Her fitness will be improved because she never misses a chance to mate.C) She may mate with males who are sick with parasites or disease.D) She may mate with males with less adaptive genes.E) Her fitness goes up due to increased efficiency by not wasting time in lengthy evaluations.F) She might inadvertently mate with a different species.
What will be an ideal response?